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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0-beta2) on Tue Jun 22 21:55:04 EDT 2004 --><TITLE>MinSpanTree (jBNC - Bayesian Network Classifiers Toolbox API)</TITLE><META NAME="keywords" CONTENT="jbnc.graphs.MinSpanTree class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="MinSpanTree (jBNC - Bayesian Network Classifiers Toolbox API)";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" 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VALIGN="top" ROWSPAN=3><EM>jBNC Toolbox</EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../jbnc/graphs/Graph.html" title="class in jbnc.graphs"><B>PREV CLASS</B></A> <A HREF="../../jbnc/graphs/Vertex.html" title="class in jbnc.graphs"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html?jbnc/graphs/MinSpanTree.html" target="_top"><B>FRAMES</B></A> <A HREF="MinSpanTree.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">jbnc.graphs</FONT><BR>Class MinSpanTree</H2><PRE>java.lang.Object <IMG SRC="../../resources/inherit.gif" ALT="extended by "><B>jbnc.graphs.MinSpanTree</B></PRE><HR><DL><DT><PRE>public class <B>MinSpanTree</B><DT>extends java.lang.Object</DL></PRE><P>Minimum Spanning Tree algorithm. <br> Assumes that edges are undirected and there is only at most one edge between any two nodes.<P><P><DL><DT><B>Since:</B></DT> <DD>June 1, 1999</DD><DT><B>Author:</B></DT> <DD>Jarek Sacha</DD></DL><HR><P><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../jbnc/graphs/MinSpanTree.html#MinSpanTree()">MinSpanTree</A></B>()</CODE><BR> </TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../jbnc/graphs/Edge.html" title="class in jbnc.graphs">Edge</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../jbnc/graphs/MinSpanTree.html#getDirectedEdges(jbnc.graphs.Graph, jbnc.graphs.Vertex)">getDirectedEdges</A></B>(<A HREF="../../jbnc/graphs/Graph.html" title="class in jbnc.graphs">Graph</A> graph, <A HREF="../../jbnc/graphs/Vertex.html" title="class in jbnc.graphs">Vertex</A> root)</CODE><BR> Returns edges of a minimum spanning tree of a graph.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static void</CODE></FONT></TD><TD><CODE><B><A HREF="../../jbnc/graphs/MinSpanTree.html#main(java.lang.String[])">main</A></B>(java.lang.String[] argv)</CODE><BR> Test the class.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected void</CODE></FONT></TD><TD><CODE><B><A HREF="../../jbnc/graphs/MinSpanTree.html#orientEdges(jbnc.graphs.Edge[], jbnc.graphs.Vertex)">orientEdges</A></B>(<A HREF="../../jbnc/graphs/Edge.html" title="class in jbnc.graphs">Edge</A>[] edges, <A HREF="../../jbnc/graphs/Vertex.html" title="class in jbnc.graphs">Vertex</A> root)</CODE><BR> Make sure that graph represents a directed tree (each vertex has at most one parent</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../jbnc/graphs/Graph.html" title="class in jbnc.graphs">Graph</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../jbnc/graphs/MinSpanTree.html#run(jbnc.graphs.Graph, jbnc.graphs.Vertex)">run</A></B>(<A HREF="../../jbnc/graphs/Graph.html" title="class in jbnc.graphs">Graph</A> graph, <A HREF="../../jbnc/graphs/Vertex.html" title="class in jbnc.graphs">Vertex</A> root)</CODE><BR> Return a minimum spanning tree for a graph.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Constructor Detail</B></FONT></TH></TR></TABLE><A NAME="MinSpanTree()"><!-- --></A><H3>MinSpanTree</H3><PRE>public <B>MinSpanTree</B>()</PRE><DL></DL><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Method Detail</B></FONT></TH></TR></TABLE><A NAME="main(java.lang.String[])"><!-- --></A><H3>main</H3><PRE>public static void <B>main</B>(java.lang.String[] argv)</PRE><DL><DD>Test the class.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>argv</CODE> - The command line arguments</DL></DD></DL><HR><A NAME="getDirectedEdges(jbnc.graphs.Graph, jbnc.graphs.Vertex)"><!-- --></A><H3>getDirectedEdges</H3><PRE>public <A HREF="../../jbnc/graphs/Edge.html" title="class in jbnc.graphs">Edge</A>[] <B>getDirectedEdges</B>(<A HREF="../../jbnc/graphs/Graph.html" title="class in jbnc.graphs">Graph</A> graph, <A HREF="../../jbnc/graphs/Vertex.html" title="class in jbnc.graphs">Vertex</A> root) throws java.lang.Exception</PRE><DL><DD>Returns edges of a minimum spanning tree of a graph. Edges of the graph contain weights. Implements Kruskal's algorithm.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>graph</CODE> - graph to span with a tree.<DD><CODE>root</CODE> - vertex designated as the root of the full tree.<DT><B>Returns:</B><DD>list of directed edges. Edges are listed from strongest to weakest.<DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE></DL></DD></DL><HR><A NAME="run(jbnc.graphs.Graph, jbnc.graphs.Vertex)"><!-- --></A><H3>run</H3><PRE>public <A HREF="../../jbnc/graphs/Graph.html" title="class in jbnc.graphs">Graph</A> <B>run</B>(<A HREF="../../jbnc/graphs/Graph.html" title="class in jbnc.graphs">Graph</A> graph, <A HREF="../../jbnc/graphs/Vertex.html" title="class in jbnc.graphs">Vertex</A> root) throws java.lang.Exception</PRE><DL><DD>Return a minimum spanning tree for a graph. Implements Kruskal's algorithm.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>graph</CODE> - Description of Parameter<DD><CODE>root</CODE> - Description of Parameter<DT><B>Returns:</B><DD>Description of the Returned Value<DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE> - Description of Exception</DL></DD></DL><HR><A NAME="orientEdges(jbnc.graphs.Edge[], jbnc.graphs.Vertex)"><!-- --></A><H3>orientEdges</H3><PRE>protected void <B>orientEdges</B>(<A HREF="../../jbnc/graphs/Edge.html" title="class in jbnc.graphs">Edge</A>[] edges, <A HREF="../../jbnc/graphs/Vertex.html" title="class in jbnc.graphs">Vertex</A> root) throws java.lang.Exception</PRE><DL><DD>Make sure that graph represents a directed tree (each vertex has at most one parent<P><DD><DL><DT><B>Parameters:</B><DD><CODE>root</CODE> - Vertex that should be treated as root of the directed tree.<DD><CODE>edges</CODE> - Description of Parameter<DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE> - Description of Exception</DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM> <a href="http://jbnc.sourceforge.net"> <img src="http://sourceforge.net/sflogo.php?group_id=49871&type=1" width="88" height="31" border="0" alt="SourceForge.net Logo"> </a> </EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../jbnc/graphs/Graph.html" title="class in jbnc.graphs"><B>PREV CLASS</B></A> <A HREF="../../jbnc/graphs/Vertex.html" title="class in jbnc.graphs"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html?jbnc/graphs/MinSpanTree.html" target="_top"><B>FRAMES</B></A> <A HREF="MinSpanTree.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_bottom"></A><!-- ======== END OF BOTTOM NAVBAR ======= --><HR></BODY></HTML>⌨️ 快捷键说明
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